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Finding the Fourth Proportional to 296.70, 408.15 and 244.86

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Solution

The fourth proportional to 296.70, 408.15 and 244.86 is: 336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.70 : 408.15 = 244.86 : x
  2. Step 2: Convert to fraction form
    296.70/408.15 = 244.86/x
  3. Step 3: Cross multiply
    296.70x = 408.15 × 244.86
  4. Step 4: Simplify right side
    296.70x = 99,939.61
  5. Step 5: Solve for x
    x = 99,939.61/296.70
  6. Step 6: Final answer
    x = 336.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.